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City of Thornton, COThornton, CO 7-Day Night Weather Forecast
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Thornton, CO Weather Forecast
Thornton, CO Weather Forecast Date: 1248 AM MDT Wed Oct 07 2026
The area/counties/county of: Larimer County Below 6000 Feet/Northwest Weld County, including: Fort Collins, Hereford, Loveland, Nunn, Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, City Of Denver, Denver International Airport, Highlands Ranch, Littleton, and Parker.or toggle through each period.
Rest of Tonight... Partly cloudy. Lows 51 to 57.
Wednesday... Mostly sunny. Highs in the lower to mid 80s.
Wednesday Night... Mostly clear. Lows 49 to 57.
Thursday... Mostly sunny. Highs in the lower to mid 80s.
Thursday Night... Mostly clear. Lows 50 to 56.
Friday... Sunny. Highs in the lower to mid 80s.
Friday Night... Mostly clear. Lows 51 to 57. Highs in the lower to mid 80s.
Saturday... Mostly clear. Lows 51 to 57. Highs in the lower to mid 80s.
Saturday Night... Partly cloudy. Lows 50 to 56.
Sunday... Mostly cloudy. Highs 72 to 78.
Sunday Night... Mostly cloudy with a 20% chance of showers. Lows 45 to 53.
Columbus Day... Partly cloudy with a 20% chance of showers. Highs 66 to 74.
Monday Night... Mostly cloudy with a 40% chance of showers. Lows 42 to 50.
POP = Probability of Precipitation
Thornton Radar Loop
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